Piston Kit - Yamaha YZ 400 F 4T ('98-'99) / WR 400 F ('98-'00) - 400 4T - ProX

from 161,07 EUR shipping costs Product code: PROX.01.2419.x

Please select the piston size from the box above.

ProX piston kit for Yamaha YZ 400 F (1998-1999) / WR 400 F (1998-2000) - 400cc 4T. The complete application list can be found below.

Technical specifications:
- standard cylinder diameter (factory diameter): 92.00 mm
- engine type: 4-stroke
- total piston length (B): 42.00 mm
- piston pin diameter (C): 18.00 mm
- compression height (D): 15.00 mm
- pin ring position measured from center (E): -
- pin ring position measured from center (F): -
- internal distance of piston pin (G): 20.70 mm
- piston head shape: recessed
- other information: 5 x valve pockets
- manufacturing technology: forged piston
- compression ratio: 12.5:1

Available piston sizes (A):
- A (91.95 mm)
- B (91.96 mm)
- C (91.97 mm)